The Australian dollar bird, scientifically known as Eurystomus Orientalis, belongs to the genus Eurystomus. They belong to the Coraciidae family; They are the Old World birds known as roller birds who got their name from the aerial acrobatics some species perform during territorial flights or courtship rituals.
They are called by several names, which include the eastern board billed roller, Asian dollar bird, Oriental board billed roller, dollar roller, and dark roller. They got their name in early 1800, from the wingspan that rembles the dollar shape of ancient currency. The distinct colors of flight feathers in the bird's wings elevate their silhouette further.
Male: 3.8-6.2 oz (109-175 g) Female: 4.1-6.6 oz (117-186 g)
How long are they?
10.6 - 12.6 in (27 - 32 cm)
How tall are they?
9 - 16 in (23 - 41 cm)
What do they look like?
Blue, Green, Brown
What are their main threats?
What is their conservation status?
Where you'll find them
Woodlands, Tropical Forests, Shrublands
Australia, India, Japan, Korea
Dollar Bird Interesting Facts
What type of animal is a Dollar Bird?
The dollar bird of the genus Eurystomus is a bird. It is a roller bird of the Coraciidae family.
What class of animal does a Dollar Bird belong to?
The Eurystomus Orientalis is an avian, and it belongs to the class Aves.
How many Dollar Birds are there in the world?
Due to the vast Oriental dollar bird range map, their population is evenly distributed. Therefore, though the exact count is not evaluated, it is estimated that their population is in large numbers.
Where does a Dollar Bird live?
Dollar birds live in woodlands and tropical forest habitats. In Asian countries, they are found in Korea, Japan, eastern China, and Southeast Asia. They fly to northern and eastern Australia during the breeding season and spend their winters in New Guinea.
What is a Dollar Bird's habitat?
The Australian dollar birds inhabit open wooded areas. They perch on trees waiting for their prey, and during breeding, they prefer tree hollows vacated by woodpeckers to nest.
Who does Dollar Bird live with?
The Australian dollar birds usually live on their own. However, during coupling and nesting, they live as a pair. While migrating, they fly as a group of around 50 birds.
How long does a Dollar Bird live?
As per research conducted, the dollar bird (eurystomus orientalis) lives for nearly six years in the wild.
How do they reproduce?
The dollar bird's (Eurystomus Orientalis) breeding season is between September and April. They usually migrate to northern and eastern Australia during this time. The breeding couple is seen flying in characteristic rolling flights during the evening, followed by cackling calls. Post coupling, the eggs are laid in an unaligned tree hollow. The nest is usually placed 30 to 90 ft above the ground. The female lays two to three eggs, and both the parents take care of incubating the eggs. The incubation period might last for 18 to 23 days. After hatching, both parents also groom the nestlings. The Dollarbirds might return to the same nest for many years. Australian dollar bids are territorial about their nests and defend them aggressively.
What is their conservation status?
The Oriental dollar bird's conservation status is listed as of Least Concern by the International Union for Conservation of Nature.
Dollar Bird Fun Facts
What does the Dollar Bird look like?
The dollar bird (eurystomus orientalis) looks like any bird of the Coraciidae family. As such, the Eurystomus have long wings and petite legs. Originally green on the back, its body is covered with a blue-green gloss on its back and wing covers. Their throat and under tail have a bright blue gloss. The belly is light green, and the breast is brown. The outer parts of the wings have pale blue patches. The orange-red bill is broad and short, and the tip is black. The flight feathers are dark blue. The pale blue-shaped patches on the outer parts of the wings are eminently visible in flight.
The male birds are slightly charming colored than duller female birds. However, the young birds are much duller than the adults. The blue and orange coloring is absent near the throat and beak in hatchlings.
How cute are they?
The dollar bird is an appealingly colorful roller. Undoubtedly, due to its white coin-shaped wings, it is a visual delight to see the bird flying in the sky. Its cute orange-red beak highlights the eyes and crown of the bird, and a bright blue throat elevates the bill. The wings look elegant with jade green, blue, and the back plumage is green-brown. All in all, to club each part of the bird's anatomy is a merger of colors. Blend in each part compliments the other.
How do they communicate?
Oriental dollar bird communicates through vocal calls. It produces loud, harsh calls like 'keck.' While coupling the nesting pair, swings in the air in an erratic fashion. They exhibit their astonishing plumage while protecting their nest and attack invaders with rolling dives.
How big is a Dollar Bird?
The Oriental dollar bird is a medium-sized roller. Its length is approximately 10.6 in (27 cm) and could reach a maximum of 12.6 in (30 cm). Its weight could be at most 0.47 lb (213 g). All the birds of the Crociidae family almost have the exact same parameters of length and weight.
How fast can a Dollar Bird fly?
Being a medium-sized bird with a wingspan of 15 to 16 in (38 to 41 cm), the roller birds can fly at 30-40 mph (48-64 kph).
How much does a Dollar Bird weigh?
An Oriental dollar bird would be in the range of 0.24 to 0.47 lbs (110 to 213 g).
What are the male and female names of the species?
There are no sex-specific names for the dollar bird.
What would you call a baby Dollar Bird?
The baby dollar bird does not have a specific name. As such, a newborn bird is called a hatchling, nestling, chick, or juvenile.
What do they eat?
The dollar bird mostly preys on flying insects. Unlike other rollers of the Coraciidae family, Eurystomus Orientalis catch their prey in flight. It perches on a tree to track its prey, and when prey is nearing, it immediately flies into the air and snatches it with its bill. Sometimes these roller birds also eat lizards on the ground.
Are they poisonous?
Most of the avians are not toxic or poisonous by birth. It so happens that the birds obtain toxic qualities from their prey. Most of the time, birds that feed on poisonous insects, animals, or plants tend to absorb the toxins from their diet. There is no established data against the Eurystomus Orientalis being poisonous.
Would they make a good pet?
These are wild birds and it would be unfair to deprive them of their habitat and restricting them to a cage. So, no, they wouldn't make a good pet.
Did you know...
The dollar bird (Eurystomus Orientalis) flies as high as 500 feet.
The blue-green plumage covers the birds' mostly dark brown upper parts.
A pair of rollers is called a swoop, and a group is collectively known as a flight.
They track their prey from a perch and capture the prey skillfully with their talons.
Where do Dollar birds come from?
The dollar bird (Eurystomus Orientalis) is purely Australian in ancestry. It was established in the early 1800s when the Spanish silver dollar and holey dollar were authorized in New South Wales. At that period, when there was no technology or binoculars to have a closer look at the bird, the natives who observed the flight of the bird associated it with the silver dollar coins and named it so. The white patches on the dollar bird's underwings, which are not that completely round, lead to fantasizing about the dollar shape, which was then famous. Hence the bird got its name.
Are they predators?
Yes, this oriental dollar bird is a predator, and it preys or forages mostly for insects in flight.
Here at Kidadl, we have carefully created lots of interesting family-friendly animal facts for everyone to discover! Learn more about some other birds including tufted titmouse facts and hyacinth macaw facts.
At Kidadl we pride ourselves on offering families original ideas to make the most of time spent together at home or out and about, wherever you are in the world. We strive to recommend the very best things that are suggested by our community and are things we would do ourselves - our aim is to be the trusted friend to parents.
We try our very best, but cannot guarantee perfection. We will always aim to give you accurate information at the date of publication - however, information does change, so it’s important you do your own research, double-check and make the decision that is right for your family.
Kidadl provides inspiration to entertain and educate your children. We recognise that not all activities and ideas are appropriate and suitable for all children and families or in all circumstances. Our recommended activities are based on age but these are a guide. We recommend that these ideas are used as inspiration, that ideas are undertaken with appropriate adult supervision, and that each adult uses their own discretion and knowledge of their children to consider the safety and suitability.
Kidadl cannot accept liability for the execution of these ideas, and parental supervision is advised at all times, as safety is paramount. Anyone using the information provided by Kidadl does so at their own risk and we can not accept liability if things go wrong.
Sponsorship & Advertising Policy
Kidadl is independent and to make our service free to you the reader we are supported by advertising.
We hope you love our recommendations for products and services! What we suggest is selected independently by the Kidadl team. If you purchase using the buy now button we may earn a small commission. This does not influence our choices. Please note: prices are correct and items are available at the time the article was published.
Kidadl has a number of affiliate partners that we work with including Amazon. Please note that Kidadl is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to amazon.
We also link to other websites, but are not responsible for their content.